package com.tensquare.spit.service;

import com.tensquare.spit.dao.SpitDao;
import com.tensquare.spit.pojo.Spit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import util.IdWorker;

import java.util.Date;
import java.util.List;

@Service
@Transactional
public class SpitService {
    @Autowired
    private SpitDao spitDao;
    @Autowired
    private IdWorker idWorker;
    @Autowired
    private MongoTemplate mongoTemplate;

    public List<Spit> findAll(){
       return spitDao.findAll();
    }
    public Spit findById(String id){
        return spitDao.findById(id).get();
    }
    public void save(Spit spit){
        spit.set_id(idWorker.nextId()+"");
        spit.setPublishtime(new Date());//发布日期
        spit.setVisits(0);//浏览量
        spit.setShare(0);//分享数
        spit.setThumbup(0);//点赞数
        spit.setComment(0);//回复数
        spit.setState("1");//状态
        //判断回复数是否有父节点
        if(spit.getParentid() != null && !"".equals(spit.getParentid())){
            Query query = new Query();
            Update update = new Update();
            query.addCriteria(Criteria.where("_id").is(spit.getParentid()));
            update.inc("comment" , 1);
            mongoTemplate.updateFirst(query , update , "spit");
        }
        spitDao.save(spit);
    }
    public void update(Spit spit){
        spitDao.save(spit);
    }
    public void deleteById(String id){
        spitDao.deleteById(id);
    }

    public Page<Spit> findByParentid(String parentid , int page , int size ){
        Pageable pageable = PageRequest.of(page-1 , size);
        return spitDao.findByParentid(parentid , pageable);
    }

    public void thumbup(String spitId) {
         /*Spit spit = spitDao.findById(spitId).get();
        spit.setThumbup((spit.getThumbup() == null ? 0 : spit.getThumbup())+1);
        spitDao.save(spit);*/

         //使用原生mongoDB语法拼接条件
        Query query = new Query();
        Update update = new Update();
        query.addCriteria(Criteria.where("_id").is("1"));
        update.inc("thumbup" , 1);
        mongoTemplate.updateFirst(query , update , "spit");


    }
}
